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Question 4

Physics HL Paper 1A (May 2025, TZ1)

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  1. A sphere of density (\rho) and radius (R) rests on the bottom of a tank of water. The buoyancy force on the sphere is (F_1).
    A sphere of density (2\rho) and radius (\frac{R}{2}) is at the bottom of the same tank. The buoyancy force on the second sphere is (F_2).
    What is (\frac{F_1}{F_2})?